Intel SDS2 manual 2.2 P64-B Arbitration, 2.3 P64-C Arbitration, P64-C Configuration IDs

Intel® Server Board SDS2			I/O Subsystem
Table 4. P64-B Configuration IDs
	IDSEL Value	Device
	24	PCI Slot 1
	25	PCI Slot 2

Table 5. P64-C Configuration IDs

IDSEL Value	Device
20	Adaptec AIC-7899W SCSI Controller
24	PCI Slot 5
25	PCI Slot 6

4.1.2.2P64-B Arbitration

P64-B supports three PCI masters (PCI masters from slots 1 and 2, and CIOB). All PCI masters must arbitrate for PCI access, using resources supplied by the CIOB. The following table defines the arbitration connections.

Table 7. P64-B Arbitration Connections

Baseboard Signals	Device
FREQL1 / FGNTL1	PCI Slot 1
FREQL2 / FGNTL2	PCI Slot 2

4.1.2.3P64-C Arbitration

P64-C supports four PCI masters (PCI masters from slots 5 and 6, onboard SCSI, and CIOB). All PCI masters must arbitrate for PCI access, using resources supplied by the CIOB. The following table defines the arbitration connections.

Table 8. P64-B Arbitration Connections

Baseboard Signals	Device
SCSIREQL0 / SCSIGNTL0	Adaptec AIC-7899W SCSI Controller
P64REQL1 / P64GNTL1	PCI Slot 5
P64REQL2 / P64GNTL2	PCI Slot 6

Revision 1.2	13
Order Number:	A85874-002